7 Mechanical shovels; Power shovels; Replacement parts for machines, namely, replacement parts for trench excavators, drag-line excavators, hoisting machines, locomotive cranes, shoveling machines, power shovels and log handling machines, namely, chassis parts, hydraulic and pneumatic parts; Machines and implements and their parts for agricultural use, namely, plows of all kinds, tractor-towed agriculture implements in the nature of rotary hoes, tractor-towed harrows, agricultural machines in the nature of cultivators and weeding machines for pulling out weeds, earth moving machines in the nature of track scrapers, tractor-towed agricultural instruments in the nature of stone forks for collecting stones, ground hole power drills, tractor-towed agriculture implements in the nature of hay rakes, power-operated hay aerators being machines in the nature of tedders, agricultural machinery in the nature of windrowers, balers for agricultural use in the nature of bale wrappers, agricultural machinery in the nature of forage harvesters, balers for agricultural use in the nature of collecting balers, bale loaders and bale ejectors, agricultural machines in the nature of cereal harvesting machines; components and attachment parts and their parts for machines and implements, namely, hydraulic apparatus and implements in the nature of hydraulic conveyors, hydraulic power units, hydraulic controls for machines, cable winches, tool carriers in the nature of machine tool holders, motors other than for land vehicles, air filters for land vehicle motors and engines, engine or motor mufflers; Diesel engines to be mounted on machines, transmissions other than for land vehicles; Parts of vehicles, namely, fuel injection pumps for land vehicles, carburetors, oil and fuel filters, filter elements for fuel and oil filters in the nature of exchange filter cartridges, starters for motors and engines, alternators, vehicle engine parts in the nature of oil coolers and oil cooler housings; Vehicle accessories, namely, spark plugs, glow plugs, greasing apparatus in the nature of pneumatic grease guns; Exhaust turbochargers for internal combustion engines of vehicles; exhaust silencers for engines